Ten top UK comedians face off in Jimmy Carr's challenge: make others laugh while keeping a straight face. They'll try everything to crack their opponents, but must never break themselves.

In 'LOL: Last One Laughing,' comedians are forbidden to laugh as Philippe Geubels and Jeroom Snelders challenge ten Dutch comics to keep a straight face while trying to make each other laugh.

In 'LOL: Last One Laughing,' comedians are forbidden to laugh as Philippe Geubels and Jeroom Snelders challenge ten Dutch comics to keep a straight face while trying to make each other laugh.

In 'LOL: Last One Laughing,' comedians are forbidden to laugh as Philippe Geubels and Jeroom Snelders challenge ten Dutch comics to keep a straight face while trying to make each other laugh.

Famous for his dark humour, one liners and THAT laugh, Jimmy Carr challenges 10 of Britain's funniest comics to spend the day together without so much as cracking a smile. The 10 comics use every ounce of their comedic talents to try and break their opponents without cracking up themselves.

Famous for his dark humour, one liners and THAT laugh, Jimmy Carr challenges 10 of Britain's funniest comics to spend the day together without so much as cracking a smile. The 10 comics use every ounce of their comedic talents to try and break their opponents without cracking up themselves.

Famous for his dark humour, one liners and THAT laugh, Jimmy Carr challenges 10 of Britain's funniest comics to spend the day together without so much as cracking a smile. The 10 comics use every ounce of their comedic talents to try and break their opponents without cracking up themselves.

Famous for his dark humour, one liners and THAT laugh, Jimmy Carr challenges 10 of Britain's funniest comics to spend the day together without so much as cracking a smile. The 10 comics use every ounce of their comedic talents to try and break their opponents without cracking up themselves.